in istanbul, turkey, for technical discussions. >>> pope benedict xvi has bade an emotional farewell to his final public audience at st. peter's square in the vatican. the outgoing pope made his last public appearance on wednesday morning, one day before his resignation. 50,000 tickets were given out to see the pope make his farewell. but tens of thousands more followers were estimated to be in attendance. he is resigning due to old age and poor health. the pontiff bid farewell to followers in the square from his popemobile before making his speech. he said to love the church also means to have the courage to make difficult, painful decisions. there has been no papal resignation since 1415. the outgoing pope will leave the vatican by helicopter on thursday after bidding farewell to the cardinals. >>> police in switzerland are investigating a deadly workplace shooting. it happened at a wood processing company near the city of lucerne. at least three people were killed and several others are wounded. the incident occurred 9:00 wednesday morning. police say the shooter and two employees died.